Prospect of a nuclear conflict in the Middle East is raised by senior diplomat and member of the Saudi ruling family Prince Turki al-Faisal: he said that if Iran came close to developing nuclear weapons Riyadh would not stand idly by. Photograph: Hassan Ammar/AFP/Getty Images A senior Saudi Arabian diplomat and member of the ruling royal family has raised the spectre of nuclear conflict in the Middle East if Iran comes close to developing a nuclear weapon. Prince Turki al-Faisal, a former Saudi intelligence chief and ambassador to Washington, warned senior Nato military officials that the existence of such a device “would compel Saudi Arabia … to pursue policies which could lead to untold…